关于代码喜氧

#include<bits/stdc++.h>
using namespace std;

int main()
{
	int s,c,x,n,a;
    cin>>n;
    while(c<n*n)
	{
        cin>>a;
        s++;
        for(int i=a;i>0;i-=1)
		{
            if(x==n)
			{
                cout<<"\n";
                x-=x;
                x*=0;
            }
            if(s%2==1)cout<<"0";
            else cout<<"1";
            x++;
            c++;
        }
    }
    return 0;
}